This is the 94th instalment in a series on dementia, including the research into its causes and treatment, advice for carers, and stories of hope. Staying out of the hospital is one of the quiet secrets of “super-agers”, older adults whose memories remain as sharp as people decades younger. While strong bones protect us from fall-related fractures that trigger age-accelerating hospital stays, their connection to brain health runs much deeper than mere physical protection. This deeper connection...